US20090255793A1 - Thin laminate construction for the creation of tactile feedback - Google Patents
Thin laminate construction for the creation of tactile feedbackDownload PDFInfo
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- US20090255793A1 US20090255793A1US12/103,216US10321608AUS2009255793A1US 20090255793 A1US20090255793 A1US 20090255793A1US 10321608 AUS10321608 AUS 10321608AUS 2009255793 A1US2009255793 A1US 2009255793A1
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- tactile
- conductive pad
- electric charge
- laminate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H2003/008—Mechanisms for operating contacts with a haptic or a tactile feedback controlled by electrical means, e.g. a motor or magnetofriction
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/05—Tactile feedback electromechanical
Definitions
- the present inventionrelates to haptics. More particularly, the invention is directed to a tactile laminate and a method for generating tactile feedback.
- Haptic technologyrefers to technology which interfaces the user via the sense of touch by applying forces, vibrations, and/or motions to the user. This mechanical stimulation may be used to supply a tactile feedback to the user of a vehicle or other machine to indicate the operational status or condition of the vehicle or machine.
- Known tactile interface devicesare typically constructed as integrated devices, where haptic-enabling components (e.g., actuators and associated control circuits) are integrated with other functional components to form a single structure for a given device.
- haptic-enabling componentse.g., actuators and associated control circuits
- separate haptic-enabling componentsare used to generate a desired motion of a surface of interest, thereby creating a tactile feedback (i.e. a tactile sensation) on the surface of interest.
- the integrated haptic-enabling componentsincrease the complexity, size, and cost of the tactile interface device and further limit the application of the tactile interface device.
- tactile laminate and a method for generating tactile feedbackwherein the tactile laminate and method provide a flexible laminate for creating a tactile sensation on a desired surface without the need for separate motion generating devices.
- a tactile laminate and a method for generating tactile feedbackwherein the tactile laminate and method provide a flexible laminate for creating a tactile sensation on a desired surface without the need for separate motion generating devices, has surprisingly been discovered.
- a tactile laminatecomprises a first layer having a first conductive pad disposed thereon, the first conductive pad adapted to receive a first desired electric charge, a second layer having a second conductive pad disposed thereon, the second conductive pad adapted to receive a second desired electric charge, and a third layer having a desired permittivity disposed between the first layer and the second layer.
- a tactile laminatecomprises a first layer having a first conductive pad disposed thereon, the first conductive pad adapted to receive a first desired electric charge, a second layer having a second conductive pad disposed thereon, the second conductive pad adapted to receive a second desired electric charge, a third layer having a desired permittivity disposed between the first layer and the second layer, a first charging circuit adapted to charge the first conductive plate with the first desired electric charge, and a second charging circuit adapted to charge the second conductive plate with the second desired electric charge.
- the inventionalso provides methods for generating tactile feedback.
- One methodcomprises the steps of: providing a tactile laminate including at least a first layer having a first conductive pad disposed thereon, the first conductive pad adapted to receive a first desired electric charge, a second layer having a second conductive pad disposed thereon, the second conductive pad adapted to receive a second desired electric charge, and a third layer having a desired permittivity disposed between the first layer and the second layer; charging the first conductive pad with the first desired electric charge; and charging the second conductive pad with the second desired electric charge, wherein the charge of the first conductive pad and the charge of the second conductive pad generate a desired motion of each of the first layer and the second layer to create a tactile feedback.
- FIG. 1is an exploded perspective view of a tactile laminate in electrical communication with a plurality of charging circuits according to an embodiment of the present invention, wherein a portion of the tactile laminate is shown in section;
- FIG. 2is a perspective view of the tactile laminate of FIG. 1 assembled in an uncharged state
- FIG. 3is a perspective view of the tactile laminate of FIG. 2 shown in a charged state.
- FIGS. 1 , 2 , and 3show a tactile laminate 10 according to the present invention.
- the tactile laminate 10includes a first layer 12 , a second layer 14 , and a third layer 16 disposed between the first layer 12 and the second layer 14 .
- the first layer 12 , the second layer 14 , and the third layer 16are mechanically coupled to each other on the perimeter. However, the first layer 12 , the second layer 14 , and the third layer 16 are free to separate in the center. It is understood that any conventional means for coupling the layers 12 , 14 , 16 on the perimeter may be used, as desired.
- the first layer 12is formed from any flexible non-conductive material.
- the first layer 12may have any thickness and size, as desired.
- the first layer 12includes a first conductive pad 18 .
- the first conductive pad 18is coupled to a first side 20 of the first layer 12 using any conventional means for coupling, as desired. It is understood that the first conductive pad 18 may have any size and thickness, as desired.
- the first conductive pad 18is adapted to be electrically charged by a first charging circuit 22 .
- the first charging circuit 22may be any circuit or device adapted to charge the first conductive pad 18 with a first desired electric charge such as an amplifier, for example. It is understood that the first conductive pad 18 may be charged by other sources of electrical energy, as desired.
- the first charging circuit 22is adapted to control the first desired electric charge on the first conductive pad 18 , thereby controlling a desired voltage. It is understood that the first charging circuit 22 is adapted to vary the charge of the first conductive pad 18 , as desired.
- the second layer 14is formed from any flexible non-conductive material.
- the second layer 14may have any thickness and size, as desired.
- the second layer 14includes a second conductive pad 24 .
- the second conductive pad 24is coupled to a first side 26 of the second layer 14 using any conventional means for coupling, as desired. It is understood that the second conductive pad 24 may have any size and thickness, as desired.
- the second conductive pad 24is adapted to be electrically charged by a second charging circuit 28 .
- the second charging circuit 28may be any circuit or device adapted to charge the second conductive pad 24 with a second desired electric charge such as an amplifier, for example. It is understood that the second conductive pad 24 may be charged by other sources of electrical energy, as desired.
- the second charging circuit 28is adapted to control the second desired electric charge on the second conductive pad 24 , thereby controlling a desired voltage. It is understood that the second charging circuit 28 is adapted to vary the charge of the second conductive pad 24 , as desired.
- the third layer 16is formed from a dielectric having a desired permittivity such as silicon and mica, for example. Other dielectrics may be used, as desired. It is understood that that the third layer 16 may be formed from any material having the desired permittivity.
- the third layer 16is disposed between the first layer 12 and the second layer 14 . Specifically, the third layer 16 is disposed between the first conductive pad 18 and the second conductive pad 24 . As shown, the third layer 16 is spaced from the first conductive pad 18 and the second conductive pad 24 . It is understood that the third layer 16 may be disposed at any distance from the first conductive pad 18 , as appropriate. It is further understood that the third layer 16 may be disposed at any distance from the second conductive pad 24 , as appropriate.
- the first charging circuit 22charges the first conductive pad 18 and the second charging circuit 28 charges the second conductive pad 24 .
- the charging circuits 22 , 28charge the respective conductive pads 18 , 24 with electric charge to generate a repulsive force that will cause the first layer 12 and the second layer 14 to separate, as shown in FIG. 3 .
- the voltage across each of the conductive pads 18 , 24may be changed to generate a desired motion in the first layer 12 and the second layer 14 .
- the desired motion of the first layer 12 and the second layer 14may generate a vibratory sensation of variable intensity and/or frequency to a user making contact with the tactile laminate 10 . Other sensations may be generated, as desired.
- the tactile laminate 10may be any thickness, as desired. Further, the tactile laminate 10 may be disposed on any rigid surface, as desired. It is understood that any number of tactile laminates 10 , each including the first layer 12 , the second layer 14 , and the third layer 16 , may be disposed adjacent another of the tactile laminates 10 to form a stacked laminate (not shown). It is further understood that the stacked laminate may be used to generate a tactile feedback in the same manner as the individual tactile laminate 10 .
- the tactile laminate 10 according to the present inventionmay be disposed on a rigid surface to provide a tactile feedback on the rigid surface.
- the tactile laminate 10 and the method for generating a tactile feedbackprovide a flexible laminate for creating a tactile sensation on a desired surface without the need for separate motion generating devices.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Laminated Bodies (AREA)
Abstract
Description
- The present invention relates to haptics. More particularly, the invention is directed to a tactile laminate and a method for generating tactile feedback.
- Haptic technology refers to technology which interfaces the user via the sense of touch by applying forces, vibrations, and/or motions to the user. This mechanical stimulation may be used to supply a tactile feedback to the user of a vehicle or other machine to indicate the operational status or condition of the vehicle or machine. Known tactile interface devices are typically constructed as integrated devices, where haptic-enabling components (e.g., actuators and associated control circuits) are integrated with other functional components to form a single structure for a given device. Currently, separate haptic-enabling components are used to generate a desired motion of a surface of interest, thereby creating a tactile feedback (i.e. a tactile sensation) on the surface of interest. Typically, the integrated haptic-enabling components increase the complexity, size, and cost of the tactile interface device and further limit the application of the tactile interface device.
- It would be desirable to have a tactile laminate and a method for generating tactile feedback, wherein the tactile laminate and method provide a flexible laminate for creating a tactile sensation on a desired surface without the need for separate motion generating devices.
- Concordant and consistent with the present invention, a tactile laminate and a method for generating tactile feedback, wherein the tactile laminate and method provide a flexible laminate for creating a tactile sensation on a desired surface without the need for separate motion generating devices, has surprisingly been discovered.
- In one embodiment, a tactile laminate comprises a first layer having a first conductive pad disposed thereon, the first conductive pad adapted to receive a first desired electric charge, a second layer having a second conductive pad disposed thereon, the second conductive pad adapted to receive a second desired electric charge, and a third layer having a desired permittivity disposed between the first layer and the second layer.
- In another embodiment, a tactile laminate comprises a first layer having a first conductive pad disposed thereon, the first conductive pad adapted to receive a first desired electric charge, a second layer having a second conductive pad disposed thereon, the second conductive pad adapted to receive a second desired electric charge, a third layer having a desired permittivity disposed between the first layer and the second layer, a first charging circuit adapted to charge the first conductive plate with the first desired electric charge, and a second charging circuit adapted to charge the second conductive plate with the second desired electric charge.
- The invention also provides methods for generating tactile feedback.
- One method comprises the steps of: providing a tactile laminate including at least a first layer having a first conductive pad disposed thereon, the first conductive pad adapted to receive a first desired electric charge, a second layer having a second conductive pad disposed thereon, the second conductive pad adapted to receive a second desired electric charge, and a third layer having a desired permittivity disposed between the first layer and the second layer; charging the first conductive pad with the first desired electric charge; and charging the second conductive pad with the second desired electric charge, wherein the charge of the first conductive pad and the charge of the second conductive pad generate a desired motion of each of the first layer and the second layer to create a tactile feedback.
- The above, as well as other advantages of the present invention, will become readily apparent to those skilled in the art from the following detailed description of the preferred embodiment when considered in the light of the accompanying drawings in which:
FIG. 1 is an exploded perspective view of a tactile laminate in electrical communication with a plurality of charging circuits according to an embodiment of the present invention, wherein a portion of the tactile laminate is shown in section;FIG. 2 is a perspective view of the tactile laminate ofFIG. 1 assembled in an uncharged state; andFIG. 3 is a perspective view of the tactile laminate ofFIG. 2 shown in a charged state.- The following detailed description and appended drawings describe and illustrate various embodiments of the invention. The description and drawings serve to enable one skilled in the art to make and use the invention, and are not intended to limit the scope of the invention in any manner. In respect of the methods disclosed, the steps presented are exemplary in nature, and thus, the order of the steps is not necessary or critical.
FIGS. 1 ,2, and3 show atactile laminate 10 according to the present invention. Thetactile laminate 10 includes afirst layer 12, asecond layer 14, and athird layer 16 disposed between thefirst layer 12 and thesecond layer 14. Thefirst layer 12, thesecond layer 14, and thethird layer 16 are mechanically coupled to each other on the perimeter. However, thefirst layer 12, thesecond layer 14, and thethird layer 16 are free to separate in the center. It is understood that any conventional means for coupling thelayers - The
first layer 12 is formed from any flexible non-conductive material. Thefirst layer 12 may have any thickness and size, as desired. Thefirst layer 12 includes a firstconductive pad 18. The firstconductive pad 18 is coupled to afirst side 20 of thefirst layer 12 using any conventional means for coupling, as desired. It is understood that the firstconductive pad 18 may have any size and thickness, as desired. The firstconductive pad 18 is adapted to be electrically charged by afirst charging circuit 22. Thefirst charging circuit 22 may be any circuit or device adapted to charge the firstconductive pad 18 with a first desired electric charge such as an amplifier, for example. It is understood that the firstconductive pad 18 may be charged by other sources of electrical energy, as desired. Thefirst charging circuit 22 is adapted to control the first desired electric charge on the firstconductive pad 18, thereby controlling a desired voltage. It is understood that thefirst charging circuit 22 is adapted to vary the charge of the firstconductive pad 18, as desired. - The
second layer 14 is formed from any flexible non-conductive material. Thesecond layer 14 may have any thickness and size, as desired. Thesecond layer 14 includes a secondconductive pad 24. The secondconductive pad 24 is coupled to afirst side 26 of thesecond layer 14 using any conventional means for coupling, as desired. It is understood that the secondconductive pad 24 may have any size and thickness, as desired. The secondconductive pad 24 is adapted to be electrically charged by asecond charging circuit 28. Thesecond charging circuit 28 may be any circuit or device adapted to charge the secondconductive pad 24 with a second desired electric charge such as an amplifier, for example. It is understood that the secondconductive pad 24 may be charged by other sources of electrical energy, as desired. Thesecond charging circuit 28 is adapted to control the second desired electric charge on the secondconductive pad 24, thereby controlling a desired voltage. It is understood that thesecond charging circuit 28 is adapted to vary the charge of the secondconductive pad 24, as desired. - The
third layer 16 is formed from a dielectric having a desired permittivity such as silicon and mica, for example. Other dielectrics may be used, as desired. It is understood that that thethird layer 16 may be formed from any material having the desired permittivity. Thethird layer 16 is disposed between thefirst layer 12 and thesecond layer 14. Specifically, thethird layer 16 is disposed between the firstconductive pad 18 and the secondconductive pad 24. As shown, thethird layer 16 is spaced from the firstconductive pad 18 and the secondconductive pad 24. It is understood that thethird layer 16 may be disposed at any distance from the firstconductive pad 18, as appropriate. It is further understood that thethird layer 16 may be disposed at any distance from the secondconductive pad 24, as appropriate. - In use the
first charging circuit 22 charges the firstconductive pad 18 and thesecond charging circuit 28 charges the secondconductive pad 24. Specifically, thecharging circuits conductive pads first layer 12 and thesecond layer 14 to separate, as shown inFIG. 3 . It is understood that the voltage across each of theconductive pads first layer 12 and thesecond layer 14. As a non-limiting example, the desired motion of thefirst layer 12 and thesecond layer 14 may generate a vibratory sensation of variable intensity and/or frequency to a user making contact with thetactile laminate 10. Other sensations may be generated, as desired. Thetactile laminate 10 may be any thickness, as desired. Further, thetactile laminate 10 may be disposed on any rigid surface, as desired. It is understood that any number oftactile laminates 10, each including thefirst layer 12, thesecond layer 14, and thethird layer 16, may be disposed adjacent another of thetactile laminates 10 to form a stacked laminate (not shown). It is further understood that the stacked laminate may be used to generate a tactile feedback in the same manner as the individualtactile laminate 10. - The
tactile laminate 10 according to the present invention may be disposed on a rigid surface to provide a tactile feedback on the rigid surface. Thetactile laminate 10 and the method for generating a tactile feedback provide a flexible laminate for creating a tactile sensation on a desired surface without the need for separate motion generating devices. - From the foregoing description, one ordinarily skilled in the art can easily ascertain the essential characteristics of this invention and, without departing from the spirit and scope thereof, make various changes and modifications to the invention to adapt it to various usages and conditions.
Claims (20)
1. A tactile laminate comprising;
a first layer having a first conductive pad disposed thereon, the first conductive pad adapted to receive a first desired electric charge;
a second layer having a second conductive pad disposed thereon, the second conductive pad adapted to receive a second desired electric charge; and
a third layer having a desired permittivity disposed between the first layer and the second layer.
2. The tactile laminate according toclaim 1 , further comprising a first charging circuit adapted to charge the first conductive plate with the first desired electric charge.
3. The tactile laminate according toclaim 1 , further comprising a second charging circuit adapted to charge the second conductive plate with the second desired electric charge.
4. The tactile laminate according toclaim 1 , wherein the third layer is formed from a dielectric.
5. The tactile laminate according toclaim 1 , wherein the third layer is formed from at least one of silicon and mica.
6. The tactile laminate according toclaim 1 , wherein the first layer and the second layer are each formed from a non-conductive material.
7. The tactile laminate according toclaim 1 , wherein the first desired electric charge on the first conductive pad and the second desired electric charge on the second conductive pad are each controlled to generate a desired motion of each of the first layer and the second layer.
8. The tactile laminate according toclaim 1 , wherein a plurality of the tactile laminates are disposed adjacent one another to form a laminate stack.
9. The tactile laminate according toclaim 1 , wherein the tactile laminate is disposed on a rigid surface to generate a tactile feedback on the rigid surface.
10. A tactile laminate comprising;
a first layer having a first conductive pad disposed thereon, the first conductive pad adapted to receive a first desired electric charge;
a second layer having a second conductive pad disposed thereon, the second conductive pad adapted to receive a second desired electric charge;
a third layer having a desired permittivity disposed between the first layer and the second layer;
a first charging circuit adapted to charge the first conductive plate with the first desired electric charge; and
a second charging circuit adapted to charge the second conductive plate with the second desired electric charge.
11. The tactile laminate according toclaim 10 , wherein the third layer is formed from a dielectric.
12. The tactile laminate according toclaim 10 , wherein the first desired electric charge on the first conductive pad and the second desired electric charge on the second conductive pad are each controlled to generate a desired motion of each of the first layer and the second layer.
13. The tactile laminate according toclaim 10 , wherein a plurality of the tactile laminates are disposed adjacent one another to form a laminate stack.
14. The tactile laminate according toclaim 10 , wherein the tactile laminate is disposed on a rigid surface to generate a tactile feedback on the rigid surface.
15. A method for generating tactile feedback, the method comprising the steps of:
providing a tactile laminate including at least a first layer having a first conductive pad disposed thereon, the first conductive pad adapted to receive a first desired electric charge, a second layer having a second conductive pad disposed thereon, the second conductive pad adapted to receive a second desired electric charge, and a third layer having a desired permittivity disposed between the first layer and the second layer;
charging the first conductive pad with the first desired electric charge; and
charging the second conductive pad with the second desired electric charge, wherein the charge of the first conductive pad and the charge of the second conductive pad generate a desired motion of each of the first layer and the second layer to create a tactile feedback.
16. The method according toclaim 15 , further comprising the step of:
providing a first charging circuit adapted to charge the first conductive plate with the first desired electric charge.
17. The method according toclaim 15 , further comprising the step of:
providing a second charging circuit adapted to charge the second conductive plate with the second desired electric charge.
18. The method according toclaim 15 , wherein the third layer is formed from a dielectric.
19. The method according toclaim 15 , wherein the first desired electric charge on the first conductive pad and the second desired electric charge on the second conductive pad are each controlled to generate the desired motion of each of the first layer and the second layer.
20. The method according toclaim 15 , further comprising the step of:
disposing the tactile laminate on a rigid surface to generate a tactile feedback on the rigid surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/103,216US7868515B2 (en) | 2008-04-15 | 2008-04-15 | Thin laminate construction for the creation of tactile feedback |
| DE102009002274ADE102009002274B4 (en) | 2008-04-15 | 2009-04-07 | Thin laminate construction to create a tactile feedback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/103,216US7868515B2 (en) | 2008-04-15 | 2008-04-15 | Thin laminate construction for the creation of tactile feedback |
Publications (2)
| Publication Number | Publication Date |
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| US20090255793A1true US20090255793A1 (en) | 2009-10-15 |
| US7868515B2 US7868515B2 (en) | 2011-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/103,216Expired - Fee RelatedUS7868515B2 (en) | 2008-04-15 | 2008-04-15 | Thin laminate construction for the creation of tactile feedback |
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| Country | Link |
|---|---|
| US (1) | US7868515B2 (en) |
| DE (1) | DE102009002274B4 (en) |
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| US20040008191A1 (en)* | 2002-06-14 | 2004-01-15 | Ivan Poupyrev | User interface apparatus and portable information apparatus |
| US20050067919A1 (en)* | 2003-09-30 | 2005-03-31 | Horning Robert D. | Polymer actuator having a circular unit cell |
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| US20080099319A1 (en)* | 2006-10-31 | 2008-05-01 | Young Gyu Kim | Sensory perception type power switch for a vehicle |
| US7652219B2 (en)* | 2006-10-31 | 2010-01-26 | Hyundai Motor Company | Sensory perception type power switch for a vehicle |
| US8760413B2 (en) | 2009-01-08 | 2014-06-24 | Synaptics Incorporated | Tactile surface |
| US20110234494A1 (en)* | 2009-10-15 | 2011-09-29 | Cody Peterson | Support-Surface Apparatus to Impart Tactile Feedback |
| US8624839B2 (en) | 2009-10-15 | 2014-01-07 | Synaptics Incorporated | Support-surface apparatus to impart tactile feedback |
| US10068728B2 (en) | 2009-10-15 | 2018-09-04 | Synaptics Incorporated | Touchpad with capacitive force sensing |
| US9349552B2 (en) | 2010-05-24 | 2016-05-24 | Synaptics Incorporated | Touchpad with capacitive force sensing |
| US8309870B2 (en) | 2011-01-04 | 2012-11-13 | Cody George Peterson | Leveled touchsurface with planar translational responsiveness to vertical travel |
| US8912458B2 (en) | 2011-01-04 | 2014-12-16 | Synaptics Incorporated | Touchsurface with level and planar translational travel responsiveness |
| US8847890B2 (en) | 2011-01-04 | 2014-09-30 | Synaptics Incorporated | Leveled touchsurface with planar translational responsiveness to vertical travel |
| US9430050B2 (en) | 2011-01-04 | 2016-08-30 | Synaptics Incorporated | Touchsurface with level and planar translational travel responsiveness |
| US8927890B2 (en) | 2011-03-07 | 2015-01-06 | Synaptics Incorporated | Capacitive keyswitch technologies |
| US8735755B2 (en) | 2011-03-07 | 2014-05-27 | Synaptics Incorporated | Capacitive keyswitch technologies |
| US9040851B2 (en) | 2012-08-06 | 2015-05-26 | Synaptics Incorporated | Keycap assembly with an interactive spring mechanism |
| US9324515B2 (en) | 2012-08-06 | 2016-04-26 | Synaptics Incorporated | Touchsurface assembly utilizing magnetically enabled hinge |
| US9218927B2 (en) | 2012-08-06 | 2015-12-22 | Synaptics Incorporated | Touchsurface assembly with level and planar translational responsiveness via a buckling elastic component |
| US9177733B2 (en) | 2012-08-06 | 2015-11-03 | Synaptics Incorporated | Touchsurface assemblies with linkages |
| US9224554B2 (en) | 2013-03-14 | 2015-12-29 | Synaptics Incorporated | Anti-tilt and rotation techniques for a touchsurface assembly having translating keys |
| US9384919B2 (en) | 2013-03-14 | 2016-07-05 | Synaptics Incorporated | Touchsurface assembly having key guides formed in a sheet metal component |
| US9213372B2 (en) | 2013-04-19 | 2015-12-15 | Synaptics Incorporated | Retractable keyboard keys |
| US9490087B2 (en) | 2013-04-19 | 2016-11-08 | Synaptics Incorporated | Retractable keyboard keys |
| WO2016090393A1 (en)* | 2014-12-12 | 2016-06-16 | Next System Vertriebsges.M.B.H. | Haptic feedback element of an input element for electronic devices |
Also Published As
| Publication number | Publication date |
|---|---|
| US7868515B2 (en) | 2011-01-11 |
| DE102009002274A1 (en) | 2009-12-17 |
| DE102009002274B4 (en) | 2013-09-05 |
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